A/C, Cooling System - Lack Of A/C Output/Engine Overheating
TSB 12-10-310/05/12
LACK OF AIR CONDITIONING AND/OR ENGINE
OVERHEAT CONDITION - BUILT ON OR AFTER
9/1/2010
FORD:
2011-2012 Taurus, Explorer, Flex
LINCOLN:
2011-2012 MKS, MKT
This article supersedes TSB 11-7-21 to update the production fix date, update the vehicle model years, Service Procedure and Parts List.
ISSUE
Some 2011 and 2012 Explorer, Taurus, Flex, MKS and MKT vehicles built on or after 9/1/2010 and equipped with dual engine cooling fans may exhibit a lack of air conditioner performance while the vehicle is stationary or moving at slow speeds, and/or an overheat condition. Diagnostic trouble codes P0217, P1299 and P1285 may be present.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Is Field Service Action 12B36 open for this vehicle?
a. No - Proceed to Step 2.
b. Yes - Complete the FSA and do not continue with this article.
2. Using IDS, start a new session and select Data Logger. Using the Output State Control, command the Cooling Fan Speed Desired PID to High speed (FAN_CTRL # or FAN_DSD # - above 90%) for 2 minutes and verify cooling fan operation. Are the cooling fans operating?
a. No - For Taurus, Flex, MKS, and MKT vehicles, replace the cooling fan motor and control module assembly. Refer to Workshop Manual (WSM), Section 303-03. Proceed to Step 5. For Explorer proceed to Step 3.
b. Yes - This article does not apply. Refer to WSM, Section 303-03 for normal diagnostics.
3. Remove the cooling fan motor and control module assembly. Refer to WSM, Section 303-03.
4. Remove the cooling fan control module from the original cooling fan motor assembly and transfer onto the new cooling fan motor assembly. Tighten screw to 7 N.m (60 lb-in).
5. Install the new cooling fan motor assembly. Refer to WSM, Section 303-03.
6. Check coolant level and top off as necessary using the correct coolant type.
a. The fan controller is designed to shut down the fans if high resistance is detected. Replacing the fan controller may cause the fans to only operate temporarily.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage Warranty/ESP coverage limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.
OPERATION DESCRIPTION TIME
121003A 2011-2012 MKS 3.7L 0.6 Hr.
DOHC And Taurus 3.5L
DOHC: Replace The
Cooling Fan Assembly
Includes Time To
Diagnose
121003A 2011-2012 MKT 3.7L 0.6 Hr.
DOHC And Flex 3.5L
DOHC: Replace The
Cooling Fan Assembly
Includes Time To
Diagnose
121003A 2011-2012 Explorer 3.5L 0.7 Hr.
TiVCT, And 2.0L GTDI:
Replace The Cooling Fan
Assembly Includes Time
To Transfer The Cooling
Fan Control Module And
Diagnose
121003A 2011-2012 MKT, Flex, 1.2 Hrs.
Taurus, And MKS 3.5L
GTDI: Replace The
Cooling Fan Assembly
Includes Time To
Diagnose
DEALER CODING
CONDITION
BASIC PART NO. CODE
8C607 42
Disclaimer